Home / 833,075.20-1,248,875.52-389,724.16

Finding the Fourth Proportional to 833,075.20, 1,248,875.52 and 389,724.16

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Solution

The fourth proportional to 833,075.20, 1,248,875.52 and 389,724.16 is: 584,241.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,075.20 : 1,248,875.52 = 389,724.16 : x
  2. Step 2: Convert to fraction form
    833,075.20/1,248,875.52 = 389,724.16/x
  3. Step 3: Cross multiply
    833,075.20x = 1,248,875.52 × 389,724.16
  4. Step 4: Simplify right side
    833,075.20x = 486,716,962,976.56
  5. Step 5: Solve for x
    x = 486,716,962,976.56/833,075.20
  6. Step 6: Final answer
    x = 584,241.33

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.